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Q:

The ratio of speed of boat in still water to speed of stream is 8 : 1. It takes 4 hours by boat to cover 54 km in downstream & 42 km in upstream. Find the downstream speed of boat.

  • 1
    25 kmph
  • 2
    24 kmph
  • 3
    21 kmph
  • 4
    27 kmph
  • 5
    23 kmph
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Answer : 4. "27 kmph"

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